From f7d2eea22957d75a34654a1b78ea64e7761ef4b8 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 17 Jan 2021 23:35:24 +0000
Subject: Split window and display (application) classes

---
 gfx/window.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 gfx/window.cpp

(limited to 'gfx/window.cpp')

diff --git a/gfx/window.cpp b/gfx/window.cpp
new file mode 100644
index 0000000..2f94d1a
--- /dev/null
+++ b/gfx/window.cpp
@@ -0,0 +1,30 @@
+#include "window.h"
+#include <GL/glew.h>
+#include <stdexcept>
+
+Window::Window(int width, int height, const std::string & title) :
+	m_window {m_window.create(SDL_CreateWindow, SDL_DestroyWindow, title.c_str(), SDL_WINDOWPOS_CENTERED,
+			SDL_WINDOWPOS_CENTERED, width, height, SDL_WINDOW_OPENGL)},
+	m_glContext {m_glContext.create(SDL_GL_CreateContext, SDL_GL_DeleteContext, m_window)}
+{
+	if (glewInit() != GLEW_OK) {
+		throw std::runtime_error {"Glew failed to initialize!"};
+	}
+
+	glEnable(GL_DEPTH_TEST);
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_BACK);
+}
+
+void
+Window::Clear(float r, float g, float b, float a) const
+{
+	glClearColor(r, g, b, a);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+void
+Window::SwapBuffers() const
+{
+	SDL_GL_SwapWindow(m_window);
+}
-- 
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